Dell Alienware 25 320Hz (AW2525HM) vs Dell Alienware 34 Curved QD-OLED (AW3423DW)

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Alienware 25 320Hz (AW2525HM) compared with Alienware 34 Curved QD-OLED (AW3423DW)

	DellAlienware 25 320Hz (AW2525HM)	DellAlienware 34 Curved QD-OLED (AW3423DW)
Overview
Released
Released	July 2025	2022
Display
Screen size
Screen size	24.5″	34.18″
Resolution
Resolution	1920 × 1080 (Full HD)	3440 × 1440 (UWQHD) (better)
Sharpness
Sharpness	90 pixels per inch	109 pixels per inch (better)
Panel
Panel	IPS (Fast IPS)	QD-OLED
Refresh rate
Refresh rate	320 Hz (better)	175 Hz
Response time (grey to grey)
Response time (grey to grey)	0.5 ms	0.1 ms (better)
Brightness (typical)
Brightness (typical)	400 nits (better)	250 nits
HDR peak brightness
HDR peak brightness	–	1,000 nits
HDR certification
HDR certification	–	DisplayHDR True Black 400
Contrast ratio
Contrast ratio	1,000:1	1,000,000:1
Colour range
Colour range	99% sRGB	99.3% DCI-P3
DCI-P3 coverage
DCI-P3 coverage	–	99.3%
Screen finish
Screen finish	Matte	–
Shape
Shape	Flat	Curved (1800R)
Adaptive sync
Adaptive sync	G-Sync Compatible, FreeSync Premium, VESA AdaptiveSync, HDMI VRR	G-Sync
Subpixel layout
Subpixel layout	–	Triangular RGB arrangement (TFTCentral)
Colour depth
Colour depth	16.7 million colours	1.07 billion colours up to 144Hz; 16.7 million colours at 175Hz
sRGB coverage
sRGB coverage	99%	149% sRGB (maker stated gamut)
Colour modes
Colour modes	FPS, MOBA/RTS, RPG, Sports, three custom game modes	Creator mode offers sRGB and DCI-P3 presets (TFTCentral)
HDR detail
HDR detail	–	DisplayHDR True Black 400; HDR Peak 1000 mode; per-pixel light control
Response time detail
Response time detail	0.5 ms grey-to-grey minimum, 1 ms typical (Extreme)	Maker's 0.1ms figure is grey to grey
Variable refresh range
Variable refresh range	48–320 Hz over DisplayPort; 48–255 Hz over HDMI (vertical scan range)	–
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal and vertical
Pixel pitch
Pixel pitch	0.2829 mm x 0.2802 mm (90 ppi)	0.23 mm
Eye care
Eye care	ComfortView Plus hardware low blue light (TÜV Rheinland Category 3); flicker-free	ComfortView Plus hardware low blue light, TÜV Rheinland certified; ambient light sensor
Burn-in protection
Burn-in protection	–	Pixel shifting, pixel refresh and panel refresh (TFTCentral); three-year maker warranty includes OLED burn-in
Connections
Video inputs
Video inputs	2 × HDMI 2.1 (TMDS), DisplayPort 1.4	2 × HDMI 2.0, DisplayPort 1.4
USB-C charging
USB-C charging	None	None
USB ports
USB ports	2 × USB-A	4 × USB-A
Ethernet
Ethernet	No	–
Speakers
Speakers	No	No
HDMI detail
HDMI detail	2 x HDMI (HDCP 1.4 and 2.3), up to 1920 x 1080 at 255 Hz (TMDS) with HDR and VRR as specified in HDMI 2.1	2 x HDMI 2.0; up to 3440 x 1440 at 100Hz
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 (HDCP 1.4 and 2.3), up to 1920 x 1080 at 320 Hz with HDR	1 x DisplayPort 1.4; up to 3440 x 1440 at 175Hz
USB hub detail
USB hub detail	USB 5Gbps; 1 x USB-B upstream; 2 x USB-A (one with BC1.2 charging)	USB 3.2 Gen 1, 5Gbps; one USB-B upstream and four USB-A downstream, including one front-bottom BC 1.2 charging port at up to 2A
Audio out
Audio out	–	Rear line output and bottom headphone output
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot (better)	Height, tilt, swivel
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	6.07 kg	10.37 kg
Height adjustment
Height adjustment	110 mm	110 mm
Tilt
Tilt	-5° to 21°	-5° to 21°
Swivel
Swivel	-20° to 20°	-20° to 20°
Pivot
Pivot	-90° to 90°	–
VESA pattern
VESA pattern	100 x 100 mm	100 x 100 mm
Size with stand
Size with stand	555.59 x 206 x 390.73–500.73 mm (W x D x H)	815.25 x 305.71 x 415.57 mm (W x D x H, lowest position)
Size without stand
Size without stand	555.59 x 68.89 x 329.50 mm (W x D x H)	815.25 x 137.11 x 364.15 mm (W x D x H)
Weight without stand
Weight without stand	3.69 kg	6.92 kg
Controls
Controls	–	Joystick (TFTCentral); AlienFX lighting
Colours
Colours	Dark blue	–
Power and support
Power use
Power use	18.1 W on mode, 0.5 W standby, 0.3 W off, 65 W maximum	42.3 W on mode; 200 W maximum; 0.5 W standby; 0.3 W off
Energy class
Energy class	E	–
Power supply
Power supply	100–240 VAC, 50/60 Hz, 1.5 A (typical)	100–240 VAC, 50/60Hz
Certifications
Certifications	NVIDIA G-SYNC Compatible, AMD FreeSync Premium, VESA AdaptiveSync Display, TÜV Rheinland hardware low blue light (Category 3)	–
Warranty
Warranty	3 years limited hardware with Advanced Exchange Service (UK)	Three-year Advanced Exchange Service and Premium Panel Exchange, including OLED burn-in
In the box
In the box	Stand, power cable, DisplayPort 1.4 cable (1.8 m), HDMI 2.1 TMDS cable (1.8 m), USB-A to USB-B 5Gbps cable (1.8 m), Alienware sticker	DisplayPort cable, Mini DisplayPort-to-DisplayPort cable, HDMI cable and USB upstream cable